CN102703019B - Liquid optical clear adhesive with low solidification energy and preparation method thereof - Google Patents
Liquid optical clear adhesive with low solidification energy and preparation method thereof Download PDFInfo
- Publication number
- CN102703019B CN102703019B CN201210192485XA CN201210192485A CN102703019B CN 102703019 B CN102703019 B CN 102703019B CN 201210192485X A CN201210192485X A CN 201210192485XA CN 201210192485 A CN201210192485 A CN 201210192485A CN 102703019 B CN102703019 B CN 102703019B
- Authority
- CN
- China
- Prior art keywords
- accounts
- liquid optical
- optical lens
- mixing
- lens gelatin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Macromonomer-Based Addition Polymer (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to a liquid optical clear adhesive with low solidification energy and a preparation method thereof, and belongs to the field of light-cured materials. The liquid optical clear adhesive prepared by the invention consists of the following raw materials in percentage by the gross weight of the raw materials: 14-43% of hydrogenated polybutadiene polyurethane acrylate resin, 21-56% of liquid polybutadiene resin, 14-35% of acrylate active thinner, 0.9-5% of thioalcohol compound, 1-5% of light initiator and 0.1-1% of light stabilizer, and the liquid optical clear adhesive prepared by the invention has a refractive index of 1.50-1.52 and the solidification energy which is less than 3000 mJ/cm<2>, is applicable to the abutting process of a capacitive touch screen, and is particularly applicable to an occasion with a requirement on the low solidification energy.
Description
Technical field
The present invention relates to a kind of low liquid optical lens gelatin that solidifies energy and preparation method thereof that has, belong to the photo-curing material field.
Background technology
Along with the continuous renewal of flat panel display is regenerated, touch-screen constantly is applied in the products such as mobile phone, computer as a kind of new technology, and particularly under the ordering about of mobile Internet spring tide, increasing flat panel display product adopts the capacitive touch control techniques.The capacitive touch control techniques has advantage at aspects such as multiple contact design, gesture identification, speed of response, sensitivity, wearing quality, optical characteristics than traditional electric resistance touch-control technology.According to current production technique, capacitive touch screen needs during fabrication to use a kind of adhesives each layer transparent material is assembled, and to eliminate Newton's rings and rainbow phenomena, reduces the scattering loss of light, improves the brightness and contrast of flat-panel monitor.Adhesives generally adopted OCA(optical lens gelatin Optically Clear Adhesive in the past) adhesive tape, but the liquid optical lens gelatin of LOCA() relative cost is lower, bondline thickness is controlled flexibly, is more suitable in irregular the laminating with middle large size screen.
The sealer of capacitive touch screen and conductive layer adopt glass baseplate mostly; its specific refractory power is in 1.52 left and right; so require the specific refractory power of its adhesives with it, to equate as far as possible; can reduce in a large number the refraction loss of light between interface, improve contrast gradient and the sharpness of flat-panel monitor in the high light environment.Under the severe condition such as uviolizing, hydrothermal aging, thermal shock, the optical lens gelatin need to keep the stable of the important indicators such as high transmission rate, low-yellowing simultaneously, in special process, more needs the low liquid optical lens gelatin that solidifies energy.
At present, the specific refractory power of most of liquid optical lens gelatin is lower, generally below 1.50, large with specific refractory power 1.52 differences of glass, thereby light is larger in the refraction loss at interface; In addition, the curing energy of known liquid optical lens gelatin is higher, generally at 3000mJ/cm
2Above, energy consumption is large, and production efficiency is lower.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of low liquid optical lens gelatin that solidifies energy and preparation method thereof that has, liquid optical lens gelatin prepared by the present invention, and specific refractory power is 1.50～1.52, curing energy is less than 3000mJ/cm
2, the curing energy of existing known liquid optical lens gelatin is generally at 3000mJ/cm
2Above, the present invention compares with existing known liquid optical lens gelatin, and curing energy is lower, and therefore, the liquid optical lens gelatin of the present invention is applicable to the attaching process of capacitive touch screen, is specially adapted to low occasion of solidifying energy requirement.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of liquid optical lens gelatin with low curing energy, percentage composition ratio by the raw material gross weight, by following raw material, formed, hydrogenated butadiene polymer type polyurethane acrylate resin accounts for 14～43%, the liquid polybutadiene resin accounts for 21～56%, and the esters of acrylic acid reactive thinner accounts for 14～35%, and sulfur alcohol compound accounts for 0.9～5%, light trigger accounts for 1～5%, and photostabilizer accounts for 0.1～1%.
The invention has the beneficial effects as follows: solved the high shortcoming of conventional liquid optical clear adhesive curing energy, reduced energy waste, accelerated production efficiency; And the specific refractory power of cured film is higher, specific refractory power is 1.50～1.52, has greatly reduced the refraction loss of light between screen interface, has improved contrast gradient and the sharpness of flat-panel monitor in the high light environment.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described hydrogenated butadiene polymer type polyurethane acrylate resin, its structural formula is meaned by following logical formula I:
Wherein: R represents 1, hexamethylene-diisocyanate (HDI), do not comprise a kind of in the part of isocyanate groups in isophorone diisocyanate (IPDI), Methylcyclohexyl diisocyanate (HTDI), dicyclohexyl methane diisocyanate (HMDI) molecular structure; R
1Representative-C
2H
4-,-C
3H
6-,-C
4H
8-in one or more; R
2Representative-H ,-CH
3In one or both.
The beneficial effect that adopts above-mentioned further scheme is that liquid optical lens gelatin anti-yellowing property prepared by the present invention is good, and color is difficult for jaundice under the various ambient conditionss such as natural light, heat, oxygen.
Further, the molecular weight of described liquid polybutadiene resin is 500～5000, Polyoil 110(molecular weight 700～860 such as EVONIK company), Polyoil 130(molecular weight 2700～3300) in one or both mixing, its structural formula is meaned by following logical formula II:
The beneficial effect that adopts above-mentioned further scheme is that the liquid polybutadiene resin is inert fraction, reduce the double bond content of whole formula, reduced the cure shrinkage of liquid optical lens gelatin prepared by the present invention, cured glue layer shrinking percentage be little, capacity usage ratio is high, has also reduced curing energy.
Further, described esters of acrylic acid reactive thinner is one or more mixing in tetrahydrofuran (THF) acrylate, Isooctyl acrylate monomer, Isooctyl methacrylate, lauryl acrylate, lauryl methacrylate(LMA), isobornyl acrylate, isobornyl methacrylate, N,N-DMAA;
Further, described sulfur alcohol compound is one or more mixing in (TMTP) of n-dodecyl mercaptan (NDM), tertiary lauryl mercaptan (TDM), trimethylolpropane tris (3-mercaptopropionic acid ester);
Further, described light trigger is one or more mixing in alpha-alcohol ketone derivative, benzophenone and derivative thereof, acyl group phosphorous oxides;
Further, described alpha-alcohol ketone derivative is 2-hydroxyl-2 methyl-phenyl-acetone-1(light trigger 1173), 1-hydroxyl-phenylcyclohexyl ketone (light trigger 184), 2-hydroxy-2-methyl-to one or more mixing in hydroxyethyl ether phenyl-acetone (light trigger 2959);
Further, described benzophenone and derivative thereof are one or more mixing in benzophenone (BP), 4-methyldiphenyl ketone (MBP), 4,4 '-bis-(dimethylamino) benzophenone (MK);
Further, described acyl group phosphorous oxides is 2,4,6-trimethylbenzoyl-oxyethyl group-phenyl phosphorus oxide (light trigger TEPO), 2,4, one or more mixing in 6-trimethylbenzoyl-diphenyl phosphate oxidation (light trigger TPO), two (2,4,6-trimethylbenzoyl) phenyl phosphorus oxide (photoinitiator b APO);
Further, described photostabilizer is hindered amine light stabilizer;
Further, described hindered amine light stabilizer is one or more mixing in piperidine derivative, imidazolone derivatives, azacycloalkyl ketone derivatives, it is for example sebacic acid two (2,2,6,6-tetramethyl--4-hydroxy piperidine) ester (photostabilizer 770), poly-succinic (4-hydroxyl-2,2,6,6-tetramethyl--1-piperidines ethanol) ester (photostabilizer 622), two (1,2,2,6,6-pentamethyl--4-piperidyl) sebate (photostabilizer 292), 2, one or more mixing in 2,6,6-tetramethyl--4-piperidines stearate (photostabilizer 3853).
Another technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of preparation method with liquid optical lens gelatin of low curing energy, comprise: add successively hydrogenated butadiene polymer type polyurethane acrylate resin, liquid polybutadiene resin, esters of acrylic acid reactive thinner, sulfur alcohol compound, light trigger, photostabilizer in stirrer, stir, after vacuumizing and defoaming, naturally standing to room temperature, obtain.
On the basis of technique scheme, the present invention can also do following improvement.
Further, describedly draw empty vacuum tightness and be-0.1～-0.05MPa, the time is 0.1～1h.
Embodiment
Below principle of the present invention and feature are described, example, only be used to explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
(as shown in logical formula I, R represents the part that does not comprise isocyanate groups in the hexamethylene diisocyanate molecular structure accurately to take 30g hydrogenated butadiene polymer type polyurethane acrylate; R
1Representative-C
3H
6-; R
2Representative-H), 40g liquid polybutadiene resin (Polyoil 110), 30g Isooctyl acrylate monomer, 2.5g n-dodecyl mercaptan, 4g light trigger 184,0.2g photostabilizer 770, add above-mentioned each component in stirrer successively, mix, after vacuumizing and defoaming (vacuum tightness-0.1MPa, 0.1h), naturally standing to room temperature, pack, obtain.
Embodiment 2
(as shown in logical formula I, R represents the part that does not comprise isocyanate groups in the isophorone diisocyanate molecular structure accurately to take 28g hydrogenated butadiene polymer type polyurethane acrylate; R
1Representative-C
3H
6-; R
2Representative-CH
3), 60g liquid polybutadiene resin (Polyoil 130), 15g isobornyl acrylate, 1g trimethylolpropane tris (3-mercaptopropionic acid ester), 2g photoinitiator b P, 1g light trigger TPO, 0.6g photostabilizer 622, above-mentioned each component is added in stirrer successively, mix, (vacuum tightness-0.09MPa after vacuumizing and defoaming, 0.2h), naturally standing to room temperature, pack, obtain.
Embodiment 3
Accurately take 16g hydrogenated butadiene polymer type polyurethane acrylate and (as shown in logical formula I, in R represent methylidene cyclohexyl diisocyanate molecular structure, do not comprise the part of isocyanate groups; R
1Representative-C
4H
8-; R
2Representative-CH
3), 60g liquid polybutadiene resin (Polyoil 130), 20g isobornyl methacrylate, 5g trimethylolpropane tris (3-mercaptopropionic acid ester), 4g light trigger 1173,1g light trigger TEPO, 0.2g photostabilizer 292, above-mentioned each component is added in double-planet dynamic mixing stirrer successively, mix, (vacuum tightness-0.08MPa after vacuumizing and defoaming, 0.3h), naturally standing to room temperature, pack, obtain.
Embodiment 4
(as shown in logical formula I, R represents the part that does not comprise isocyanate groups in the dicyclohexyl methane diisocyanate molecular structure accurately to take 43g hydrogenated butadiene polymer type polyurethane acrylate; Left end R
1Representative-C
2H
4-C
3H
6-, right-hand member R
1Representative-C
4H
8-; R
2Representative-CH
3), 22g liquid polybutadiene resin (Polyoil 110), 18g lauryl methacrylate(LMA), the 12g isobornyl acrylate, the tertiary lauryl mercaptan of 2g, 3g light trigger MK, 0.3g photoinitiator b APO, 0.1g photostabilizer 3853, add above-mentioned each component in double-planet dynamic mixing stirrer successively, mix, after vacuumizing and defoaming (vacuum tightness-0.07MPa, 0.5h), naturally standing to room temperature, pack, obtain.
Embodiment 5
Accurately take 33g hydrogenated butadiene polymer type polyurethane acrylate and (as shown in logical formula I, in R represent methylidene cyclohexyl diisocyanate molecular structure, do not comprise the part of isocyanate groups; Left end R
1Representative-C
2H
4-C
3H
6-C
4H
8-, right-hand member R
1Representative-C
2H
4-C
4H
8-; R
2Representative-CH
3), 45g liquid polybutadiene resin (Polyoil 130), 8g tetrahydrofuran (THF) acrylate, the 12g lauryl methacrylate(LMA), 3g n-dodecyl mercaptan, 1g light trigger 184,0.3g photoinitiator b APO, 0.05g photostabilizer 3853, add above-mentioned each component in stirrer successively, mix, after vacuumizing and defoaming (vacuum tightness-0.06MPa, 0.7h), naturally standing to room temperature, pack, obtain.
Embodiment 6
(as shown in logical formula I, R represents the part that does not comprise isocyanate groups in the dicyclohexyl methane diisocyanate molecular structure accurately to take 17g hydrogenated butadiene polymer type polyurethane acrylate; Left end R
1Representative-C
2H
4-, right-hand member R
1Representative-C
3H
6-; Left end R
2Representative-H, right-hand member R
2Representative-CH
3), 50g liquid polybutadiene resin (Polyoil 110), 28g Isooctyl methacrylate, the 12g isobornyl methacrylate, the tertiary lauryl mercaptan of 4g, 3g light trigger 2959,0.3g photoinitiator b APO, 0.1g photostabilizer 770, add above-mentioned each component in stirrer successively, mix, after vacuumizing and defoaming (vacuum tightness-0.05MPa, 1h), naturally standing to room temperature, pack, obtain.
Experimental example 1
By the following method the sample of embodiment 1～6 and existing known optical transparent adhesive tape 1 and 2 have been carried out to the contrast test of curing energy and specific refractory power, test result is as shown in table 1.
Known optical transparent adhesive tape 1: accurately take 20g polybutadiene-modified acrylate TE2000 (Japanese Cao Da Chemical Co., Ltd), 40g liquid polybutadiene resin (Polyoil 110), 28g Isooctyl acrylate monomer, 3g light trigger 184,0.5g light trigger TPO, above-mentioned each component is added in stirrer successively, mix, (vacuum tightness-0.09MPa after vacuumizing and defoaming, 1h), naturally standing to room temperature, pack, obtain.
Known optical transparent adhesive tape 2: accurately take the two key chemical incs in 30g aliphatic urethane acrylate 5191(Taiwan), the 30g Isooctyl acrylate monomer, 3g light trigger 184,0.5g light trigger TPO, add above-mentioned each component in stirrer successively, mix, after vacuumizing and defoaming (vacuum tightness-0.09MPa, 1h), naturally standing to room temperature, pack, obtain.
Solidify the energy test method: dsc (UV-DSC), the DSC-Q2000 of U.S. TA company, 25 ℃, UV light intensity 30mW/cm
2.
Refraction index test: Abbe refractometer.
The sample that table 1 embodiment 1-6 makes and known optical transparent adhesive tape performance comparison test result
| Sample | Specific refractory power | Solidify energy mJ/cm 2 |
| The sample of embodiment 1 | 1.512 | 1469 |
| The sample of embodiment 2 | 1.511 | 1508 |
| The sample of embodiment 3 | 1.512 | 1516 |
| The sample of embodiment 4 | 1.512 | 1472 |
| The sample of embodiment 5 | 1.511 | 1459 |
| The sample of embodiment 6 | 1.512 | 1530 |
| Known optical transparent adhesive tape 1 | 1.482 | 2789 |
| Known optical transparent adhesive tape 2 | 1.476 | 3016 |
From the above results, can find out, compared with the prior art, specific refractory power is higher, has lower curing energy, can reduce energy waste, greatly faster production efficiency for the liquid optical lens gelatin of the present invention.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. one kind has the low liquid optical lens gelatin that solidifies energy, it is characterized in that, described liquid optical lens gelatin is by the percentage composition ratio of raw material gross weight, following raw material, consist of, hydrogenated butadiene polymer type polyurethane acrylate resin accounts for 14～43%, and the liquid polybutadiene resin accounts for 21～56%, the esters of acrylic acid reactive thinner accounts for 14～35%, sulfur alcohol compound accounts for 0.9～5%, and light trigger accounts for 1～5%, and photostabilizer accounts for 0.1～1%.
2. liquid optical lens gelatin according to claim 1, is characterized in that, the structural formula of described hydrogenated butadiene polymer type polyurethane acrylate resin means with following logical formula I:
Wherein: R represents a kind of in the part that does not comprise isocyanate groups in hexamethylene diisocyanate, isophorone diisocyanate, Methylcyclohexyl diisocyanate, dicyclohexyl methane diisocyanate molecular structure; R
1Representative-C
2H
4-,-C
3H
6-,-C
4H
8-in one or more; R
2Representative-H ,-CH
3In one or both;
The molecular weight of described liquid polybutadiene resin is 500～5000, and its structural formula is meaned by following logical formula II:
3. according to the arbitrary described liquid optical lens gelatin of claim 1 or 2, it is characterized in that, described esters of acrylic acid reactive thinner is one or more mixing in tetrahydrofuran (THF) acrylate, Isooctyl acrylate monomer, Isooctyl methacrylate, lauryl acrylate, lauryl methacrylate(LMA), isobornyl acrylate, isobornyl methacrylate; Described sulfur alcohol compound is one or more mixing in n-dodecyl mercaptan, tertiary lauryl mercaptan, trimethylolpropane tris (3-mercaptopropionic acid ester); Described light trigger is one or more mixing in alpha-alcohol ketone derivative, benzophenone and derivative thereof, acyl group phosphorous oxides; Described photostabilizer is hindered amine light stabilizer.
4. liquid optical lens gelatin according to claim 3, is characterized in that, described alpha-alcohol ketone derivative is 1-hydroxyl-phenylcyclohexyl ketone, 2-hydroxy-2-methyl-to one or more mixing in hydroxyethyl ether phenyl-acetone; Described benzophenone and derivative thereof are one or more mixing in benzophenone, 4-methyldiphenyl ketone, 4,4 '-bis-(dimethylamino) benzophenone; Described acyl group phosphorous oxides is 2,4,6-trimethylbenzoyl-oxyethyl group-phenyl phosphorus oxide, 2,4, one or more mixing in 6-trimethylbenzoyl-diphenyl phosphate oxidation, two (2,4,6-trimethylbenzoyl) phenyl phosphorus oxide; Described hindered amine light stabilizer is one or more mixing in piperidine derivative, imidazolone derivatives, azacycloalkyl ketone derivatives.
5. liquid optical lens gelatin according to claim 4, is characterized in that, described piperidine derivative is sebacic acid two (2,2,6,6-tetramethyl--4-hydroxy piperidine) ester, poly-succinic (4-hydroxyl-2,2,6,6-tetramethyl--1-piperidines ethanol) ester, two (1,2,2,6,6-pentamethyl--4-piperidyl) sebate, 2, one or more mixing in 2,6,6-tetramethyl--4-piperidines stearate.
6. one kind has low preparation method of solidifying the liquid optical lens gelatin of energy, it is characterized in that, comprise: add successively hydrogenated butadiene polymer type polyurethane acrylate resin, liquid polybutadiene resin, esters of acrylic acid reactive thinner, sulfur alcohol compound, light trigger, photostabilizer in stirrer, stir, after vacuumizing and defoaming, naturally standing to room temperature, obtain
Wherein, described liquid optical lens gelatin is by the percentage composition ratio of raw material gross weight, by following raw material, formed, hydrogenated butadiene polymer type polyurethane acrylate resin accounts for 14～43%, the liquid polybutadiene resin accounts for 21～56%, and the esters of acrylic acid reactive thinner accounts for 14～35%, and sulfur alcohol compound accounts for 0.9～5%, light trigger accounts for 1～5%, and photostabilizer accounts for 0.1～1%.
7. the preparation method of liquid optical lens gelatin according to claim 6, is characterized in that, the described vacuum tightness vacuumized is-0.1～-0.05MPa, the time is 0.1～1h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210192485XA CN102703019B (en) | 2012-06-12 | 2012-06-12 | Liquid optical clear adhesive with low solidification energy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210192485XA CN102703019B (en) | 2012-06-12 | 2012-06-12 | Liquid optical clear adhesive with low solidification energy and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102703019A CN102703019A (en) | 2012-10-03 |
| CN102703019B true CN102703019B (en) | 2013-11-27 |
Family
ID=46896080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210192485XA Expired - Fee Related CN102703019B (en) | 2012-06-12 | 2012-06-12 | Liquid optical clear adhesive with low solidification energy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102703019B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102200661B1 (en) * | 2014-02-06 | 2021-01-08 | 아라까와 가가꾸 고교 가부시끼가이샤 | Uv-curable adhesive composition for optical use, cured layer thereof and optical member |
| CN103980821B (en) * | 2014-05-16 | 2015-12-09 | 烟台德邦科技有限公司 | A kind of Liquid optical clear adhesive and preparation method thereof |
| EP3184568A1 (en) | 2015-12-21 | 2017-06-28 | Evonik Degussa GmbH | Acrylate-terminated urethane polybutadienes from low-monomer 1:1 monoadductes from reactive olefinic compounds and diisocyanates and hydroxy-terminated polybutadienes for liquid optically clear adhesives (locas) |
| JP6697306B2 (en) * | 2016-03-31 | 2020-05-20 | ハリマ化成株式会社 | Photocurable composition with moisture curing, conformal coating agent and cured product |
| CN107903829A (en) * | 2017-10-31 | 2018-04-13 | 芜湖辉灿电子科技有限公司 | A kind of transparent OCA optical cements of mobile phone screen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005049756A1 (en) * | 2003-11-24 | 2005-06-02 | Samsung Electronics Co., Ltd | Uv-hardenable adhesive composition, optical reading head using said composition and optical recording/reproducing device comprising said reading head |
| JP2005272773A (en) * | 2004-03-26 | 2005-10-06 | Toagosei Co Ltd | Active energy beam-curable composition for optical material |
| CN101560370A (en) * | 2009-05-15 | 2009-10-21 | 烟台德邦科技有限公司 | Light-curable adhesive with shock absorption property |
| CN102010494B (en) * | 2010-09-30 | 2012-06-27 | 烟台德邦电子材料有限公司 | Light-cured resin with low water absorption and preparation method thereof |
-
2012
- 2012-06-12 CN CN201210192485XA patent/CN102703019B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102703019A (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102703019B (en) | Liquid optical clear adhesive with low solidification energy and preparation method thereof | |
| CN103980821B (en) | A kind of Liquid optical clear adhesive and preparation method thereof | |
| CN103524665B (en) | A kind of Optical pressure-sensitive resin and preparation method thereof | |
| CN103999141B (en) | The manufacture method of image display device | |
| CN103525355B (en) | Ultraviolet curing adhesive for liquid crystal display television side frame and preparation method of ultraviolet curing adhesive | |
| TWI465534B (en) | Photocurable adhesive composition | |
| CN103374323B (en) | Preparation method of yellowing resistant liquid optical adhesive | |
| CN102250297B (en) | Resin composition for optical use, resin material for optical use using the same, optical filter for image display device, and image display device | |
| CN106543907A (en) | It is a kind of can dual cure Liquid optical clear adhesive and preparation method thereof | |
| CN102144009A (en) | Photocurable resin composition for laminating optically functional material | |
| CN103382381B (en) | Yellowing resistant liquid optical adhesive | |
| CN104531041A (en) | Polyether-type urethane acrylate UV-cured adhesive and preparation method thereof | |
| CN103370387A (en) | Optically clear adhesive, method of use and articles therefrom | |
| CN103184029A (en) | Light curing adhesive for splicing capacitive touch screen and preparation method of light curing adhesive | |
| CN103160212A (en) | Ultraviolet light curing optical adhesive | |
| CN103436213A (en) | Ultraviolet-curing type optical resin adhesive and preparation method thereof | |
| CN103031105A (en) | Ultraviolet curing liquid optical clear adhesive and preparation method thereof | |
| CN101831208B (en) | Photocureable coating for digital electronic products | |
| CN102703020B (en) | Liquid optical transparent adhesive with impact resistance and preparation method thereof | |
| CN103555261B (en) | Ultraviolet curing adhesive and preparation method thereof | |
| CN106497438A (en) | A kind of attaching capacitive touch screens photo-thermal dual curable optical adhesive | |
| CN103524701B (en) | A kind of optical resin and synthetic method thereof | |
| CN104231996A (en) | LOCA (liquid optical clear adhesive) for full-attached module and preparation method of LOCA | |
| CN108329867A (en) | Attaching capacitive touch screens hot melt light-cured type optical adhesive and preparation method | |
| CN106543944A (en) | A kind of Liquid optical clear adhesive of free redical and cationic curing and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160612 |